private void newImage(Buffer buffer) {
Object data = buffer.getData();
if (!(data instanceof int[])) return;
RGBFormat format = (RGBFormat) buffer.getFormat();
DirectColorModel dcm =
new DirectColorModel(
format.getBitsPerPixel(),
format.getRedMask(),
format.getGreenMask(),
format.getBlueMask());
sourceImage =
new MemoryImageSource(
format.getLineStride(),
format.getSize().height,
dcm,
(int[]) data,
0,
format.getLineStride());
sourceImage.setAnimated(true);
sourceImage.setFullBufferUpdates(true);
if (component != null) {
destImage = component.createImage(sourceImage);
component.prepareImage(destImage, component);
}
}
public void putRegion(
int viewWidth,
int viewHeight,
int regWidth,
int regHeight,
int regOffX,
int regOffY,
int[] regBuffer) {
if (image == null) {
setPreferredSize(new Dimension(viewWidth, viewHeight));
imageBuffer = new int[viewWidth * viewHeight];
imageSource = new MemoryImageSource(viewWidth, viewHeight, imageBuffer, 0, viewWidth);
imageSource.setAnimated(true);
image = createImage(imageSource);
}
int destIndex = regOffX + regOffY * viewWidth;
int srcIndex = 0;
int extraRowGap = viewWidth - regWidth;
for (int j = 0; j < regHeight; j++, destIndex += extraRowGap)
for (int i = 0; i < regWidth; i++, srcIndex++, destIndex++)
imageBuffer[destIndex] = regBuffer[srcIndex];
imageSource.newPixels(regOffX, regOffY, regWidth, regHeight);
repaint(regOffX, regOffY, regWidth, regHeight);
}
/** Processes the data and renders it to a component */
public synchronized int process(Buffer buffer) {
if (component == null) return BUFFER_PROCESSED_FAILED;
Format inf = buffer.getFormat();
if (inf == null) return BUFFER_PROCESSED_FAILED;
if (inf != inputFormat || !buffer.getFormat().equals(inputFormat)) {
if (setInputFormat(inf) != null) return BUFFER_PROCESSED_FAILED;
}
Object data = buffer.getData();
if (!(data instanceof int[])) return BUFFER_PROCESSED_FAILED;
if (lastBuffer != buffer) {
lastBuffer = buffer;
newImage(buffer);
}
sourceImage.newPixels(0, 0, inWidth, inHeight);
Graphics g = component.getGraphics();
if (g != null) {
if (reqBounds == null) {
bounds = component.getBounds();
bounds.x = 0;
bounds.y = 0;
} else bounds = reqBounds;
g.drawImage(
destImage,
bounds.x,
bounds.y,
bounds.width,
bounds.height,
0,
0,
inWidth,
inHeight,
component);
}
return BUFFER_PROCESSED_OK;
}